Using the following 3 securities calculate: 1. Expected return 2. Variance 3. Standard deviation 4. Correlation between all possible pairs 5. Covariance between all possible pairs Probability Stock A 20 30 20 30 Stock B Stock C 5% 12% 5% 18% 35% 5% 30% 10% 15% 20% 25% 17% Using the following percentages, calculate the portfolio variance and expected return for each portfolio Portfolio Stock A Stock B Stock C 60% 20% 30% 40% 80% 30% 40%